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Natural philosophy. including statics, hydrostatics, pneumatics, dynamics, hydrodynamics, the general theory of undulations, the science of sound, the mechanical theory of music, etc. : designed for the use of normal and grammar schools, and the higher classes in common schools (1867)

Sangster, John Herbert, 1831-1904 · Montreal : Printed and published by John Lovell · leaf 36

An illustration from Natural philosophy. including statics, hydrostatics, pneumatics, dynamics, hydrodynamics, the general theory of undulations, the science of sound, the mechanical theory of music, etc. : designed for the use of normal and grammar schools, and the higher classes in common schools, 1867, leaf 36
are to work togethertho gections of the cones of which they are to be frusta are found in the Ficr. 8. following manner:Let A B be the dia-meter of the largewheel, andB C thatof the smaller. PlaceA B and B C so asto include the pro-posed ande BisectA B in D and B C inE. Draw perpen-diculars D F, E.… … THE PULLEY, 100. The Pulley is a circular disc of wood or iron,grooved on the edge and made to turn od its axis by meansof a cord or rope passing over it. 101. The pulley is merely a modification of the leverwith equal arms, and hence no mechanical advantage isgained by using it—the theory of its…

Physics

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